Carcinoembryonic antigen blood test. Last reviewed: September 20, 2013. The CEA test measures the level of carcinoembryonic antigen (CEA) in the blood. CEA is a protein normally found in the tissue of a developing baby in the womb.The blood level of this protein disappears or becomes very low after birth.he CEA test measures the level of carcinoembryonic antigen (CEA) in the blood.
If the pH of your blood falls below 7.35, the result is a condition called acidosis, a state that leads to central nervous system depression. Severe acidosis-where blood pH falls below 7.00 - can lead to a coma and even death. If the pH of your blood rises above 7.45, the result is alkalosis.
What is pH? PH is a scale that measures how acidic or alkaline a substance is. The scale ranges from 1 to 14 with 1 being very acid, 7 neutral and 14 very alkaline. So what does pH have to do with you and your blood? Well, the pH of your blood is extremely important. The ideal pH level for your blood is right around 7.35 and your body goes to enormous lengths to maintain this level.